Grandstream HT813 Hybrid Analog Telephone Adapter

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Hybrid ATA with FXS and FXO PortsThe HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port. Supports 2 SIP profiles through 1 FXS port and 1 FXO port Dual 100Mbps LAN and WAN ports Lifeline support (FXS port will be hard-relayed to FXO port) in case of power outage 3-way voice conferencing per port Automated & secure provisioning options using TR069 Supports T.38 Fax for reliable Fax-over-IP Failover SIP server automatically switches to secondary server if main server loses connection Strong AES encryption with security certificate per unit Show more